#include <stdio.h>

int main() {
    int x, y;
    x = (2 + 3) * 6;
    printf("x = (2 + 3) * 6, x = %d\n", x);
    x = (12 + 6) / 2 * 3;
    printf("x = (12 + 6) / 2 * 3, x = %d\n", x);
    y = x = (2 + 3) / 4;
    printf("y = x = (2 + 3) / 4, x = %d, y = %d\n", x, y);
    y = 3 + 2 * (x = 7 / 2);
    printf("y = 3 + 2 * (x = 7 / 2), x = %d, y = %d\n", x , y);

    int a = 10;
    a += a -= a*a;
    printf("%d\n", a); 
    return 0;
}